Apex domains cannot have CNAME records.
Question and response
Question
dig localtel.net. NS
Answer
localtel.net. 4 NS ns2.nwinternet.com.
localtel.net. 4 NS ns1.nwinternet.com.
Authority
The response has no authority records.
Additional
ns1.nwinternet.com. 4 A 206.130.130.2
ns2.nwinternet.com. 4 A 206.130.133.2
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0